Ion-exchange spacer and processes for the preparation thereof

US6090258A · kind A · utility

Assignee

• BEN GURION UNIVERSITY OF THE NEGEV RESEARCH AND DEVELOPMENT AUTHORITY · IL

Inventors

• Yelena Mirsky · Beer Sheva, IL
• Rami Messalem · Beer Sheva, IL
• Naphtali Daltrophe · Beer Sheva, IL
• Ora Kedem · Rehovot, IL
• Galina Saveliev · Beer Sheva, IL

Key dates

• Filing date: Apr 9, 1998
• Grant date: Jul 18, 2000
• Expiry date: Apr 9, 2018

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2313/34
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention provides a polymeric netting for use as an ion-conducting ser in an electrodialysis stack having charged groups incorporated in a in polymeric coating applied thereto, imparting to the spacer an average ion exchange capacity of at least 0.25 meq/gr.